SC805A中文资料微型高能量锂离子电池充电器数据手册Semtech规格书

描述 Description

The SC805A is a fully integrated, single cell, constant-current (CC)/constant-voltage (CV) Lithium-Ion battery charger in a tiny 3x3 mm thermally enhanced lead free MLP package. The SC805A can operate as a stand-alone charger or in conjunction with a Power Management Controller (PMIC).

特性 Features

·Fully integrated charger with FET pass transistor, reverse-blocking diode, sense resistor and thermal protection
·High Accuracy Charge Current*
·Tiny 3mm x 3mm 10 lead MLP package
·Programmable precharge, fast-charge & termination currentBattery voltage controlled to 1% accuracy
·Built in timer for protection and complete charging
·NTC interface with battery detection
·Soft-start to reduce adapter in-rush current
·Up to 1A continuous charge current
·Input voltage range from 3V to 6V allows seamless charging from current limited adapter
·Provides adapter voltage VCCIL to power external accessories
·Battery present detection and output indicator
·Operates in charger or LDO-mode without battery
·0.1µA battery drain current in shutdown and monitor modes
·Over-current protection in all charging modes
·CHRGB output communicates charging and end of charge cycle
      *US Patent 6,836,095

应用 Application

·Cellular phones
·PDAs
·Handheld meters
·Charging stations
·USB chargers
·Digital cameras
·Programmable current source